from sqlalchemy import create_engine
from sqlalchemy.ext.declarative import declarative_base
from sqlalchemy.orm import sessionmaker

# 统一使用一个数据库文件
import os
BASE_DIR = os.path.dirname(os.path.abspath(__file__))
SQLALCHEMY_DATABASE_URL = f"sqlite:///{os.path.join(BASE_DIR, '../aiplatform.db')}"

engine = create_engine(SQLALCHEMY_DATABASE_URL, connect_args={"check_same_thread": False})
SessionLocal = sessionmaker(autocommit=False, autoflush=False, bind=engine)
Base = declarative_base()